Unable to read error message from response header (#339)

* Added response headers to err answer

* Corrected message in test

* Corrected package version

Author: Roman-Shchukin

lib/RestClient.ts

@@ -257,6 +257,10 @@ export class RestClient {
                     err['result'] = response.result;
                 }
 
+                if (response.headers) {
+                    err['responseHeaders'] = response.headers;
+                }
+
                 reject(err);
             } else {
                 resolve(response);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "typed-rest-client",
-  "version": "1.8.10",
+  "version": "1.8.11",
   "description": "Node Rest and Http Clients for use with TypeScript",
   "main": "./RestClient.js",
   "scripts": {

test/package-lock.json

@@ -221,6 +221,7 @@ describe('Rest Tests', function () {
         catch(err) {
             assert(err['statusCode'] == 401, "statusCode should be 401");
             assert(err.message && err.message.length > 0, "should have error message");
+            assert(err['responseHeaders'], "err must contain responseHeaders");
         }
     });
 
@@ -237,6 +238,7 @@ describe('Rest Tests', function () {
         catch(err) {
             assert(err['statusCode'] == 500, "statusCode should be 500");
             assert(err.message && err.message.length > 0, "should have error message");
+            assert(err['responseHeaders'], "err must contain responseHeaders");
         }
     });